JP2016092365A - プリント配線板および半導体パッケージ - Google Patents
プリント配線板および半導体パッケージ Download PDFInfo
- Publication number
- JP2016092365A JP2016092365A JP2014229119A JP2014229119A JP2016092365A JP 2016092365 A JP2016092365 A JP 2016092365A JP 2014229119 A JP2014229119 A JP 2014229119A JP 2014229119 A JP2014229119 A JP 2014229119A JP 2016092365 A JP2016092365 A JP 2016092365A
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- Prior art keywords
- conductor
- layer
- wiring board
- conductor layer
- conductor post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
【解決手段】第1面F1および第2面F2を有する配線導体層21と、配線導体層21の第2面F2の一部上に形成される導体ポスト25と、第1表面SF1および第2表面SF2を有し、第1表面SF1に第1面F1が露出するように配線導体層21を埋め込むと共に、導体ポスト25の側面を被覆する樹脂絶縁層30とを備えている。導体ポスト25の配線導体層21と反対側の端面25aが樹脂絶縁層30の第2表面SF2側に露出しており、導体ポスト25の側面25cは、導体ポスト25の配線導体層21側の端部において、配線導体層21に近付くほど導体ポスト25の外方に向かうように曲がる曲面とされている。
【選択図】図1
Description
15 多数個取り基板
21 配線導体層
21a 第1パターン
21b 第2パターン
21c 接続パッド
21d 配線パターン
25 導体ポスト
25a 導体ポストの樹脂絶縁層の第2表面側(配線導体層側の反対側)の端面
25c 導体ポストの側面
25d 導体ポストの端部
25e 曲線部
25f 導体ポストの配線導体層側の端面
27 接合材層
28 表面保護膜
30 樹脂絶縁層
33 絶縁材
34 モールド成形用樹脂
80 支持板
80a キャリア銅箔
81 ベース金属箔
85 めっきレジスト膜
88 金型
100 半導体パッケージ
110 プリント配線板
115 第1半導体素子
116 電極
124 バンプ
126 モールド樹脂
130 基板
135 第2半導体素子
137 ワイヤ
F1 配線導体層の第1面
F2 配線導体層の第2面
SF1 樹脂絶縁層の第1表面
SF2 樹脂絶縁層の第2表面
D1 樹脂絶縁層の第1表面から配線導体層の第1面までの距離
D2 樹脂絶縁層の第2表面から導体ポストの端面までの距離
D3 導体ポストが太くなる位置から配線導体層の第2面までの距離
t1 配線導体層の厚さ
H1 導体ポストの高さ
B 導体ポストの側面の曲線部の配線導体層との結合部における接線
C 配線導体層の第2面のうちの導体ポストに接していない部分と接線Bとがなす角
Claims (14)
- 第1面および該第1面と反対側の第2面を有する配線導体層と、
前記配線導体層の第2面の一部上に形成される導体ポストと、
第1表面および該第1表面と反対側の第2表面を有し、前記第1表面側に前記配線導体層の第1面が露出するように前記配線導体層を埋め込むと共に、前記導体ポストの側面を被覆する樹脂絶縁層と、を備えるプリント配線板であって、
前記導体ポストの前記配線導体層と反対側の端面が前記樹脂絶縁層の第2表面側に露出しており、前記導体ポストの側面は、該導体ポストの前記配線導体層側の端部において、前記配線導体層に近付くほど前記導体ポストの外方に向かうように曲がる曲面とされている。 - 請求項1記載のプリント配線板であって、前記導体ポストの前記配線導体層側の端面の面積は前記樹脂絶縁層の第2表面側の端面の面積よりも大きい。
- 請求項1または2記載のプリント配線板であって、前記配線導体層の第2面に直交する断面において、前記導体ポストの側面と前記配線導体層の第2面のうちの前記導体ポストに接していない部分とが、前記導体ポストと前記配線導体層との結合部において90〜180°の鈍角をなしている。
- 請求項1〜3のいずれか1項に記載のプリント配線板であって、前記導体ポストの側面が前記配線導体層側の端部において前記曲面とされることにより前記導体ポストが太くなる位置から前記配線導体層の第2面までの距離が1〜10μmである。
- 請求項1〜4のいずれか1項に記載のプリント配線板であって、前記導体ポストと前記配線導体層との結合面の面積がA1であり、前記導体ポストの前記配線導体層側の端部以外の部分における前記結合面に平行な断面の面積がA2であるとき、A1/A2が1よりも大きく1.2よりも小さい。
- 請求項1〜5のいずれか1項に記載のプリント配線板であって、前記配線導体層の第1面が前記樹脂絶縁層の第1表面よりも凹んでおり、前記導体ポストの前記配線導体層と反対側の端面が前記樹脂絶縁層の第2表面よりも凹んでおり、
前記樹脂絶縁層の第2表面から前記導体ポストの端面までの距離と、前記樹脂絶縁層の第1表面から前記配線導体層の第1面までの距離とが互いに異なる。 - 請求項1〜6のいずれか1項に記載のプリント配線板であって、前記樹脂絶縁層の第2表面から前記導体ポストの端面までの距離が、前記樹脂絶縁層の第1表面から前記配線導体層の第1面までの距離よりも大きい。
- 請求項1〜7のいずれか1項に記載のプリント配線板であって、前記樹脂絶縁層は、熱膨張率が6〜25ppm/℃、かつ、弾性率が5〜30GPaのモールド成形用樹脂材料からなる。
- 請求項1〜8のいずれか1項に記載のプリント配線板であって、前記樹脂絶縁層は、無機フィラーを30〜80重量%含有するエポキシ樹脂からなる。
- 請求項1〜9のいずれか1項に記載のプリント配線板であって、前記導体ポストの側面に表面粗さを粗くする粗化処理が施されている。
- 請求項1〜10のいずれか1項に記載のプリント配線板であって、前記配線導体層の第2面および側面に表面粗さを粗くする粗化処理が施されている。
- 一方の面に第1半導体素子が実装されているプリント配線板と、
該プリント配線板の前記一方の面上に搭載される基板と、
を有する半導体パッケージであって、
前記プリント配線板は、
第1面および該第1面と反対側の第2面を有する配線導体層と、
前記配線導体層の第2面の一部上に形成される導体ポストと、
第1表面および該第1表面と反対側の第2表面を有し、前記第1表面に前記配線導体層の第1面が露出するように前記配線導体層を埋め込むと共に、前記導体ポストの側面を被覆する樹脂絶縁層と、を備え、
前記導体ポストの前記配線導体層と反対側の端面が前記樹脂絶縁層の第2表面側に露出し、
前記導体ポストの側面は、該導体ポストの前記配線導体層側の端部において、前記配線導体層に近付くほど前記導体ポストの外方に向かうように曲がる曲面とされ、
前記基板は前記プリント配線板側の面にバンプを備えており、
前記バンプが前記配線導体層に接続されている。 - 請求項12記載の半導体パッケージであって、前記第1半導体素子が前記プリント配線板と前記基板との間の前記プリント配線板上に配置され、前記プリント配線板と前記基板の間に前記第1半導体素子を覆うモールド樹脂が充填されている。
- 請求項12または13記載の半導体パッケージであって、前記基板に第2半導体素子が実装されている。
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JP2023529031A (ja) * | 2020-04-10 | 2023-07-07 | 京東方科技集團股▲ふん▼有限公司 | 駆動基板及びその製作方法並びに表示装置 |
JP7485467B2 (ja) | 2020-04-10 | 2024-05-16 | 京東方科技集團股▲ふん▼有限公司 | 駆動基板及びその製作方法並びに表示装置 |
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